Deer Isle Maine Climate Data

Monthly Average Climate Data for Deer Isle Maine

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.3 °C0 °C106.68 mm
February-7.5 °C0.8 °C90.68 mm
March-3.6 °C4.3 °C111 mm
April1.6 °C9.9 °C114.55 mm
May6.4 °C15.4 °C98.04 mm
June11.2 °C20.1 °C106.93 mm
July14.4 °C23.4 °C82.55 mm
August14.3 °C23.4 °C80.01 mm
September11.2 °C19.9 °C103.89 mm
October6.1 °C13.9 °C137.92 mm
November1.2 °C8.4 °C123.7 mm
December-4.3 °C3.3 °C125.48 mm
Annual3.6 °C11.9 °C1281.43 mm

Climate Data for Deer Isle Maine

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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